body {
	background-color: #f7f7f7;
	position: relative;
}

.up-bg {
	position: absolute;
	width: 100%;
	top: 100px;
	justify-content: center;
}

.up-buttom {
	width: 100px;
	height: 100px;
	border-radius: 50px;
	background-color: blue;
	display: flex;
	justify-content: center;
	align-items: center;
	color: #FFF;
}